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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrPorterDuffXferProcessor_DEFINED | 8 #ifndef GrPorterDuffXferProcessor_DEFINED |
9 #define GrPorterDuffXferProcessor_DEFINED | 9 #define GrPorterDuffXferProcessor_DEFINED |
10 | 10 |
11 #include "GrTypes.h" | 11 #include "GrTypes.h" |
12 #include "GrXferProcessor.h" | 12 #include "GrXferProcessor.h" |
13 #include "SkXfermode.h" | 13 #include "SkXfermode.h" |
14 | 14 |
15 class GrProcOptInfo; | 15 class GrProcOptInfo; |
16 | 16 |
17 class GrPorterDuffXPFactory : public GrXPFactory { | 17 class GrPorterDuffXPFactory : public GrXPFactory { |
18 public: | 18 public: |
19 static GrXPFactory* Create(SkXfermode::Mode mode); | 19 static GrXPFactory* Create(SkXfermode::Mode mode); |
20 | 20 |
21 void getInvariantBlendedColor(const GrProcOptInfo& colorPOI, | 21 void getInvariantBlendedColor(const GrProcOptInfo& colorPOI, |
22 GrXPFactory::InvariantBlendedColor*) const ove
rride; | 22 GrXPFactory::InvariantBlendedColor*) const ove
rride; |
23 | 23 |
24 static GrXferProcessor* CreateSrcOverXferProcessor(const GrCaps& caps, | 24 static GrXferProcessor* CreateSrcOverXferProcessor(const GrCaps& caps, |
25 const GrProcOptInfo& colo
rPOI, | 25 const GrPipelineOptimizat
ions& optimizations, |
26 const GrProcOptInfo& cove
ragePOI, | |
27 bool hasMixedSamples, | 26 bool hasMixedSamples, |
28 const GrXferProcessor::Ds
tTexture*); | 27 const GrXferProcessor::Ds
tTexture*); |
29 | 28 |
30 static inline void SrcOverInvariantBlendedColor( | 29 static inline void SrcOverInvariantBlendedColor( |
31 GrColor inputColor, | 30 GrColor inputColor, |
32 GrColorComponentFlags validColor
Flags, | 31 GrColorComponentFlags validColor
Flags, |
33 bool isOpaque, | 32 bool isOpaque, |
34 GrXPFactory::InvariantBlendedCol
or* blendedColor) { | 33 GrXPFactory::InvariantBlendedCol
or* blendedColor) { |
35 if (!isOpaque) { | 34 if (!isOpaque) { |
36 blendedColor->fWillBlendWithDst = true; | 35 blendedColor->fWillBlendWithDst = true; |
37 blendedColor->fKnownColorFlags = kNone_GrColorComponentFlags; | 36 blendedColor->fKnownColorFlags = kNone_GrColorComponentFlags; |
38 return; | 37 return; |
39 } | 38 } |
40 blendedColor->fWillBlendWithDst = false; | 39 blendedColor->fWillBlendWithDst = false; |
41 | 40 |
42 blendedColor->fKnownColor = inputColor; | 41 blendedColor->fKnownColor = inputColor; |
43 blendedColor->fKnownColorFlags = validColorFlags; | 42 blendedColor->fKnownColorFlags = validColorFlags; |
44 } | 43 } |
45 | 44 |
46 static bool SrcOverWillNeedDstTexture(const GrCaps& caps, | 45 static bool SrcOverWillNeedDstTexture(const GrCaps& caps, |
47 const GrProcOptInfo& colorPOI, | 46 const GrPipelineOptimizations& optimiz
ations, |
48 const GrProcOptInfo& coveragePOI, | |
49 bool hasMixedSamples); | 47 bool hasMixedSamples); |
50 | 48 |
51 private: | 49 private: |
52 GrPorterDuffXPFactory(SkXfermode::Mode); | 50 GrPorterDuffXPFactory(SkXfermode::Mode); |
53 | 51 |
54 GrXferProcessor* onCreateXferProcessor(const GrCaps& caps, | 52 GrXferProcessor* onCreateXferProcessor(const GrCaps& caps, |
55 const GrProcOptInfo& colorPOI, | 53 const GrPipelineOptimizations& optimi
zations, |
56 const GrProcOptInfo& coveragePOI, | |
57 bool hasMixedSamples, | 54 bool hasMixedSamples, |
58 const DstTexture*) const override; | 55 const DstTexture*) const override; |
59 | 56 |
60 bool willReadDstColor(const GrCaps& caps, | 57 bool willReadDstColor(const GrCaps& caps, |
61 const GrProcOptInfo& colorPOI, | 58 const GrPipelineOptimizations& optimizations, |
62 const GrProcOptInfo& coveragePOI, | |
63 bool hasMixedSamples) const override; | 59 bool hasMixedSamples) const override; |
64 | 60 |
65 bool onIsEqual(const GrXPFactory& xpfBase) const override { | 61 bool onIsEqual(const GrXPFactory& xpfBase) const override { |
66 const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>()
; | 62 const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>()
; |
67 return fXfermode == xpf.fXfermode; | 63 return fXfermode == xpf.fXfermode; |
68 } | 64 } |
69 | 65 |
70 GR_DECLARE_XP_FACTORY_TEST; | 66 GR_DECLARE_XP_FACTORY_TEST; |
71 static void TestGetXPOutputTypes(const GrXferProcessor*, int* outPrimary, in
t* outSecondary); | 67 static void TestGetXPOutputTypes(const GrXferProcessor*, int* outPrimary, in
t* outSecondary); |
72 | 68 |
73 SkXfermode::Mode fXfermode; | 69 SkXfermode::Mode fXfermode; |
74 | 70 |
75 friend class GrPorterDuffTest; // for TestGetXPOutputTypes() | 71 friend class GrPorterDuffTest; // for TestGetXPOutputTypes() |
76 typedef GrXPFactory INHERITED; | 72 typedef GrXPFactory INHERITED; |
77 }; | 73 }; |
78 | 74 |
79 #endif | 75 #endif |
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